void _browser_Navigated(object sender, System.Windows.Navigation.NavigationEventArgs e)
{
try
{
String uri = e.Uri.ToString();
if (uri.StartsWith("https://www.facebook.com/connect/login_success.html") || uri.StartsWith("http://www.facebook.com/connect/login_success.html") ||
uri.StartsWith("https://m.facebook.com/connect/login_success.html") || uri.StartsWith("http://m.facebook.com/connect/login_success.html") ||
uri.StartsWith("https://www.facebook.com/v2.0/connect/login_success.html") || uri.StartsWith("http://www.facebook.com/v2.0/connect/login_success.html") ||
uri.StartsWith("https://m.facebook.com/v2.0/connect/login_success.html") || uri.StartsWith("http://m.facebook.com/v2.0/connect/login_success.html") ||
uri.StartsWith("https://www.facebook.com/v1.0/connect/login_success.html") || uri.StartsWith("http://www.facebook.com/v1.0/connect/login_success.html") ||
uri.StartsWith("https://m.facebook.com/v1.0/connect/login_success.html") || uri.StartsWith("http://m.facebook.com/v1.0/connect/login_success.html") ||
uri.StartsWith(_app_info.RedirectLink))
{
if (uri.EndsWith("#_=_"))
{
uri = uri.Substring(0, uri.Length - 4);
}
String queryString = e.Uri.Query.ToString();
try
{
IEnumerable <KeyValuePair <string, string> > pairs = UriToolKits.ParseQueryString(queryString);
string code = KeyValuePairUtils.GetValue(pairs, "code");
string tokenurl = FacebookClient.Instance.getAccessTokenRequestUrl(_app_info, code);
WebClient client = new WebClient();
client.DownloadStringCompleted += new DownloadStringCompletedEventHandler(AccessTokenDownloadCompleted);
client.DownloadStringAsync(new Uri(tokenurl));
}
catch (Exception ex)
{
fail();
}
}
else if (uri.StartsWith("https://m.facebook.com/dialog/oauth/write") ||
uri.StartsWith("http://m.facebook.com/dialog/oauth/write") ||
uri.StartsWith("https://m.facebook.com/v2.0/dialog/oauth/write") ||
uri.StartsWith("http://m.facebook.com/v2.0/dialog/oauth/write") ||
uri.StartsWith("https://m.facebook.com/v1.0/dialog/oauth/write") ||
uri.StartsWith("http://m.facebook.com/v1.0/dialog/oauth/write"))
{
string url = FacebookClient.Instance.getLoginUrl(_app_info);
_browser.Source = new Uri(url);
}
}
catch (Exception ex2)
{
fail();
Debug.WriteLine(ex2.Message);
}
}
void ExchangeAccessTokenCompleted(object sender, UploadStringCompletedEventArgs e)
{
// Acquire access_token and expires timestamp
IEnumerable <KeyValuePair <string, string> > pairs = UriToolKits.ParseQueryString(e.Result);
string accessToken = KeyValuePairUtils.GetValue(pairs, "access_token");
if (accessToken != null && !accessToken.Equals(""))
{
MessageBox.Show("Access Token Exchange Failed");
return;
}
// Save access_token
FacebookClient.Instance.AccessToken = accessToken;
FacebookClient.Instance.PostMessageOnWall(txtStatus.Text, new UploadStringCompletedEventHandler(PostMessageOnWallCompleted));
}
void AccessTokenDownloadCompleted(object sender, DownloadStringCompletedEventArgs e)
{
if (!e.Cancelled && e.Error == null)
{
try {
string data = e.Result;
data = "?" + data;
IEnumerable <KeyValuePair <string, string> > pairs = UriToolKits.ParseQueryString(data);
string accessToken = KeyValuePairUtils.GetValue(pairs, "access_token");
string expires = KeyValuePairUtils.GetValue(pairs, "expires");
success(accessToken, expires);
} catch (Exception ex) {
fail();
}
}
else
{
fail();
}
}